Lec34_35_PollinationA_05D

Lec34_35_PollinationA_05D - Insects and Pollination A...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Insects and Pollination A V Emphasis on agricultural crops Important Topics What pollination is and the various means by which plants become pollinated, particularly by insects How insects and plants are co- adapted and depend upon each other The importance of insect pollination for many common plants Problems and threats to commercial pollination V Pollination The process whereby pollen is transferred from the male part of a flower (anther) to the female part (stigma) Self-pollination: occurs between sexual parts of the same flower or different flowers on the same plant Cross-pollination: occurs between flowers on different plants Promotes genetic diversity and probability that unfavorable traits are recessive H
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Pollen contains male genetic material which must find its way to the ovary. Pollen released from anthers Placed on the stigma Pollen transfered to female part of flower Fertilization via pollen tube into ovary Ovule -> seed Ovary -> fruit H Pollen contains male genetic
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/15/2011 for the course ENT 2004 taught by Professor Jrvoshell during the Spring '07 term at Virginia Tech.

Page1 / 4

Lec34_35_PollinationA_05D - Insects and Pollination A...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online